CVE-2020-28053: hashicorp consul Incorrect Authorization
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-28053DEBIAN-CVE-2020-28053GHSA-6m72-467w-94rhBIT-consul-2020-28053GO-2024-2505
Published 23-11-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-28053 is a medium (CVSS 6.5) Incorrect Authorization vulnerability in hashicorp consul. EPSS estimates a 1.45% chance of exploitation in the next 30 days, higher than 73% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.45%
0%100%
Low · +0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
HashiCorp Consul and Consul Enterprise 1.2.0 up to 1.8.5 allowed operators with operator:read ACL permissions to read the Connect CA private key configuration. Fixed in 1.6.10, 1.7.10, and 1.8.6.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · GoEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.45%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
+0.06 pp
From 1.40% on 20-09-2026
20-09-202620-10-2026
EPSS score1.45%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- consul< 1.8.6+dfsg1-1
Github.com/hashicorp1 product
- consul≥ 1.2.0, < 1.6.10 | ≥ 1.7.0, < 1.7.10 | ≥ 1.8.0, < 1.8.6
Hashicorp1 product
- consul≥ 1.2.0, < 1.6.10 | ≥ 1.7.0, < 1.7.10 | ≥ 1.8.0, < 1.8.6
Ubuntu1 product
- consulAll versions (No fix recorded)
4 vendors · 4 products
References
11 links- github.com/hashicorp/consul/blob/master/CHANGELOG.mdX Refsource MISCREPORTWEBRelease NotesThird Party Advisory